# Senior AEM Engineer
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-26054-658262` · Certified · decided 2026-03-02
## Employer
- **Name:** Sigma-Aldrich Corporation
- **Location:** Burlington, MA, UNITED STATES OF AMERICA
- **FEIN:** 43-1050617
- **NAICS:** 54171
## Job
- **Title:** Senior AEM Engineer
- **SOC:** 15-1252.00 — Software Developers
- **Workers requested:** 1
- **Worksite:** Manchester, MO
- **Employment period:** 2026-08-23 → 2029-08-22
## Wage
- **Offered:** $130,000–$150,000 per year
- **Prevailing wage:** $118,706 per Year
- **Wage level:** Level III
## Representation
- **Attorney:** Magaly Cheng
- **Firm:** Clark Lau LLC
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · MORVS · CC0 1.0*